Markos, Ni
Institute of Linguistics Philippine, 1966
Buku Teks
by Warren S. Jeffs
Fundamentalist Church of Jesus Christ, 2012
Buku Teks SO
Hauer, Christian E.
Prentice-Hall, 1998
Buku Teks SO
Missler, Chuck
Visimedia, 2006
Buku Teks SO
Keene, Michael
Kanisius, 2006
Buku Teks SO